Best Isolation Transformers Deals Online in the UK (25 Deals Found)

Last Updated - 01/02/2026 Sort By:

Best Choice
SOLBUM

New
FUNTLY Isolation transformer 20VA/W DB-20VA 220V to 220V 1:1 safety isolation anti-interference power frequency

£22.00
QTMMC

New
QTMMC Noise Filter with 3.5mm Audio Cable, Ground Loop Noise Isolator for Car Audio/Home Stereo System Eliminate the Buz
Upgraded Ground Loop Noise Isolator for Pure Sound – Eliminate unwanted buzzing, humming, and static caused by ground lo

£6.49
New
Isolation transformer Power Supply,625VA,Made in UK
UK mains plug with lead and dual UK switched mains sockets.

£139.00
MEISHILE

New
MEISHILE Transformer 2000W Step Up and Down Voltage Regulator Converter Power Transformer AC-AC 220V to 110V 230V / UK t
Output AC 110V 220V for US CA JP CN AU EU UK appliances

£88.99
New
2 x Audio Signal Isolation Transformer 600:600 Ohms 1:1 Ratio EI14 Miniature
Model: EI14. Inductance: 290mH (±20%). Microphone signal isolation. Providing DC isolation in audio circuits. Turns Rati

£4.49
Best Value
Cantonape

New
500W Voltage Transformer, 220/240 Volts to 110/120V Step Up Step Down Voltage Converter, UK to US & US to UK
HIGH VOLTAGE TRANSFORMER- This power transformer can be used in 110 Volt countries and 220 Volt countries. It will conve

£39.99
Oypla

New
Oypla 3.3KVA Site Transformer 110V Twin Outlet 16 AMP KVA 3.3
SUITABILITY - Ideal for site-round use and heavy duty power tools

£64.99
New
Isolation Transformer 400/230 - 24 Volts Single Output Power Supply New. No Box.
This safety transformer by Legrand is intended to be used as a safety Transformer only. The primary voltage is 230V, and

£51.66
CERRXIAN

New
CERRXIAN RCA Ground Loop Noise Isolator,Hum Eliminator,RCA 2 Channel Passive Isolation Transformer,Noise Filter Cancelle
RCA Noise Isolator Designed for studio, DJ and real-time sound environments Noise Isolator designed to improve audio cla

£29.99
Used
Aldetronics IT-15 Isolation Transformer 240v
Good condition with some scratches. Comes without power cable

£649.99
WUYELIN

New
24V 40VA Control Transformer， Primary 120, 208, 240V Secondary 24V Isolation Transformers，24V Transformer with Foot Moun
Primary Voltage: 120/208/240 V AC ,

£21.12
Hailege

New
Hailege 5pcs EI14/EI-14 Audio Coupling Isolation Transformer Audio Transformer 600:600 1:1
Advantages:high pressure and stable performance

£5.49
New
5PCS Audio Transformers 600:600 Ohm Europe 1:1 EI14 Isolation Transformer UK
Model: EI14. AC impedance : EI14 600 : 600 Ohm. inductance : 290mH (±20%). Alternating-current impedance value : 600. DC

£2.36
SACVXOKD

New
BK150VA 220V To 220V Isolation Transformer Copper 1 To 1 AC 220V 0.68A 1Pcs

£42.20
New
Isolation transformer Power Supply,625VA,Balanced,Made in UK
UK mains plug with lead and dual UK switched mains sockets.

£149.00
Cantonape

New
Cantonape 3000 Watt 110v Transformers, 220V - 110V Voltage Transformer, Step Up and Step Down, UK to US US to UK Transfo
110v Transformers, are the perfect solution for using American, Japanese and other 110 volt electrical appliances in Eur

£109.99
New
Audio Transformer EI14 600:600 1:1 Ohm Isolation Transformer UK Seller
Model: EI14. AC impedance : EI14 600 : 600 Ohm (Reactive Impedance not DC Resistance). inductance : 290mH (±20%). Altern

£3.64
Used
500w Mains Isolating Transformer For Workshop Use Untested
Untested.

£49.00
Used
CCA 230V/12-0-12V (24V) Control Panel Isolation Transformer

£36.95
New
8Pcs Audio Signal Isolation Transformer 600:600 Ohms 1:1 EI14 for Mic Amp
This is a special transformer mainly used for the transmission and isolation of audio signals. Not only can it pass audi

£10.09
Used
Medical Grade Mains Isolation Transformer MSL-0803-4 UK made

£245.10
Used
Isolation Transformer 1000 VA Rating used 240v - 415v

£200.00
Used
CARROLL & MEYNELL 3000VA INTERMITTENT STEP-UP ISOLATION TRANSFORMER 110V/230V UK
Used for stepping up 110V site safe voltage to an isolated 230V supply. 3000VA Intermittent Rating 1500VA Continuous Rat

£52.70
Used
Carroll & Meynell 3000VA Intermittent Step-Down Isolation Transformer 230v/110v
Carroll & Meynell 3000VA Intermittent Step-Down Isolation Transformer 230v/110v Circuit breaker switch missing. maybe fa

£47.50
New
Noratel IMEDi 300 WR Isolation Transformer P/N 9-059-130167
Special isolating toroidal transformer for medical application built in an attractive white finish aluminium enclosure.

£516.70

25 Isolation Transformers deals are available from: Amazon, eBay stores, starting from £2.36.
The biggest discount we found is 10%% on FUNTLY Isolation transformer 20VA/W DB-20VA 220V to 220V 1:1 safety isolation anti-interference power frequency at Amazon.
The lowest price we found is £2.36 while the highest is £649.99.
Prices for the best Isolation Transformers deals average at £103.58.
Last updated on February 1, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Isolation Transformers.